Solution 11695: Algorithm Used to Compute a Cubic Polynomial on a TI-85, TI-86, TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...rent linear system solvers, which use slightly different criteria for determining when a linear system is too poorly conditioned to solve accurately. Apparently, the linear system solver on the TI-89 family and TI-92 family (simult) is slightly more conservative than the one on the TI-85/86 as it...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11695
Solution 28011: Using the Chi-Squared Goodness of Fit Test on the TI-89 Family, TI-92 Plus, or Voyage™ 200 Graphing Calculators.
...92 Plus, or Voyage 200? To use the chi-squared goodness of fit test on a TI-89 family, TI-92 Plus, or Voyage 200 use the Statistics with List Editor App. Using the lists below and a degree of freedom of 2, follow the steps below to calculate and draw the chi-squared goodness of fit test: List 1...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/28011
Solution 11569: Algorithm Used for Finding the Determinant of a Square Matrix on the TI-81, TI-82, TI-83, TI-85, or TI-86.
...revious equation as follows and compute: det(A) = det(U) = (2)(5)(-1) = -10 Although only a 3 by 3 matrix was used in this example, this method is applicable in general to any square matrix. It also has excellent accuracy characteristics while being one of the more computationally efficient al...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11569
Solution 16830: Availability of the TI-86 Advanced Statistics Program.
...ther Graphing Calculator products Knowledge Base Knowledge Base Search Where is the TI-86 Advanced Statistics application? The TI-86 Advanced Statistics application is attached to this Knowledgebase at the top right of this page. Please note the Advanced ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/16830
Solution 10587: Differences Between the TI-86 and the TI-89 Family Graphing Calculators.
...tions Solver. Please Note: These features can be added to a TI-89 family calculator with the Polynomial Root Finder and Simultaneous Equation Solver Apps. On the other hand, the TI-89 family has includes important functions that the TI-86 does not have: • Flash technology for Electronic upgrade...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/10587
Solution 10465: Simplifications Running Slow on the TI-92 Family
...e quite large despite modest inputs and final results. If a problem is taking an unacceptable amount of time: • Try using a different mode, such as APPROXIMATE versus EXACT • Try using an appropriate alternate function, such as nSolve() versus solve() or nInt() versus integral() • Try solving a...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/10465
Solution 10939: Calculator Options for Individuals with Visual Impairments or Low Vision.
...r many of the popular functions of the TI-84 Plus CE calculator using their computer’s keyboard, or a connected calculator with the included SmartPad app* to control the online calculator! Some popular features that are now enabled for text-to-speech include: performing calculations ent...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/10939
Solution 15889: Correcting the Message "ERROR" on the TI-36X Solar.
...ge Base Knowledge Base Search Why is my TI-36X Solar displaying the message "Error" and how can I correct it? When "Error" appears on the display, the calculator will not accept a keyboard entry. Press the [CE/C] to clear the error condition. Press the [CE/C] twice to c...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/troubleshooting-messages-unexpected-results/15889
Solution 12089: Correcting the Error Message "Press I to Install Code" on the TI-89 Family, TI-92 Plus or Voyage™ 200 Graphing Calculators Using the TI Connect™ Software for Windows®.
...or message "Press I to install code" on the TI-89 family, TI-92 Plus or Voyage 200 graphing calculators? The error message, press I to install code, appears on the TI-89 family, TI-92 Plus and Voyage 200 when the unit has lost its operating system. In general, this situation only occurs as the r...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/12089
Solution 11591: Correcting the Circular Definition Error on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...bolic, then all simplification will work as expected. Composition of functions is also commonly studied when graphing y2(y1(x)). Because the graphing application on these calculators is completely numeric, all composition of functions in graphing work as expected. However, the graphing functions ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/11591
Solution 30130: When Using Symbolic Pi, Mixed Number Conversions are Improperly Displayed on the TI-36X Pro and TI-30X Pro MultiView™ Calculators.
...s not converting properly on my TI-36X Pro or TI-30X Pro MultiView calculator? Issue: When you do a calculation using symbolic pi, you will get an approximate decimal answer to the number of decimal places carried by a calculator. If you convert the decimal result (stored in the calculator) to...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/30130
Solution 10438: Performing Polar to Rectangular and Rectangular to Polar Conversions on the TI-85 and TI-86.
...le) symbol, press [2nd] [,]. 2) Press [2nd] [CPLX] 3) Press [MORE] [F1] [ENTER] The screen will show (3.000..., 3.999...) as the solution, which is approximately (3,4). Please see the TI-85 and TI-86 guidebooks for additional information. Solution 10438: Performing Polar to Rectangular and Re...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/10438
Solution 37335: Troubleshooting a TI-89 family, TI-92 family or Voyage 200 Graphing Handheld That Will Not Turn On or Function Properly.
...ialize the operating system, in which you should see a progress bar filling on the screen. Remove one of the AAA or AA batteries. Press and hold [APPS], and while holding [APPS], replace the battery and press [ON]. TI-89, 92 Plus, or Voyage 200 users should see "Press I to install code...", a...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/37335
Solution 37336: Troubleshooting a TI-73 Family, TI-80, TI-81, TI-82, TI-83, TI-85, TI-85 and TI-86 Graphing Calculator That Will Not Turn On or Function Properly.
...re are no buttons that are stuck down below the keypad. Additional Note: The resets described in the troubleshooting steps below may cause a loss of applications, programs, and data. If at all possible please create a backup using TI Connect™ first. Remove all AAA batteries and reinsert the...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/37336
Solution 40317: TI-30XS MultiView and TI-34 MultiView Scientific calculator battery information
...r explode, releasing hazardous chemicals. Discard used batteries according to local regulations. Per CA Regulation 22 CCR 67384.4, the following applies to the button cell battery in this unit: Perchlorate Material - Special handling may apply. See www.dtsc.ca.gov/hazardouswaste/perchlorate ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/40317
Solution 34602: Graphing a Step Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...dard to set default window settings and display the graph. Please Note: The TI-83 Plus Family will display the above graph connected. To make it appear dashed as above press [Y=] followed by [←] [←] then [enter] 6 times to select the Line Style "DOT" which appears as a dotted line. Once this...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34602
Solution 34597: Shortcuts for Working with Menus on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...rs, below are a few shortcuts that would help in navigating menus easier: • When working in a menu that has a long list of items, i.e., [CATALOG] or [APPS]; to jump down to a specific portion of the list, press the key that corresponds to the first letter of the function to be used. For example, ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34597
Solution 10702: Unexpected Results When Sin(Pi) Does Not Return Zero on the TI-68.
... Knowledge Base Search Why does the TI-68 not give zero when calculating the sin(pi)? The answer displayed when calculating p radians is an approximation of zero. When solving trigonometric functions, very sophisticated algorithms are used to calculate the most accurate answer possible....https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10702
Solution 34592: Calculating Logs of Bases Other Than 10 on the TI-84 Plus Family of Graphing Calculators.
...Operating System (OS) v 2.55MP to access the logbase function below. To verify what OS is installed press [2nd] followed by [+] then in the menu that appears select [1:About]. If you do not have this version of OS please upgrade to this version. Example: Calculate log4160 • Press [ALPHA] [F2] [5]...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34592
Solution 12161: String Commands on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...e following are the different string commands and their meaning: # - Converts a string into a variable name. This is called indirection. & - Appends or concatenate two strings into one string. char - Returns the character that corresponds to a specified character code. It is the oppo...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12161
Simple Ionic Compounds
In this lesson students will review and test their understanding of simple ionic compounds.https://education.ti.com/en/activity/detail/simple-ionic-compounds
Molar Gas Lab
Students use stoichiometry to determine the mass of oxygen gas in a bottle. They may also check their answer against the amount of potassium chloride produced during the reaction.https://education.ti.com/en/activity/detail/molar-gas-lab
Vernier - Conductimetric Titration and Gravimetric Determination of a Precipitate
Students use a Conductivity Probe to measure change in conductivity during a chemical reaction and determine the equivalence point of the reaction They determine the mass of the product and calculate the molar concentration of the reactant solution.https://education.ti.com/en/activity/detail/vernier--conductimetric-titration-and-gravimetric-determination-of-a-precipitate
Linearity with an investigation of Hooke's Law
Students will perform an activity which allows them to discover Hooke's Law for springs and determine the spring constant of a springhttps://education.ti.com/en/activity/detail/linearity-with-an-investigation-of-hookes-law
Distance, Velocity and Acceleration
This activity looks at the instantaneous velocities of a projectile motion. By varying g, Vo, and do students can look at the affects of gravity initial velocity and initial distance on a projectiles flight.https://education.ti.com/en/activity/detail/distance-velocity-and-acceleration